7OrionTech

1. Devfolio → Absolute king in India. College + corporate hackathons live here.     If a college fest has a hackathon, chances are it’s hosted on Devfolio. 🔗 https://devfoli o.co/hackathons 2. Unstop → Mass reach. Hackathons, competitions, internships — every student uses it.      Perfect if you want hackathons + other opportunities in one place. 🔗 https://unstop.com/hackathons 3. Devpost → Global + Indian hackathons. Big brand events, solid exposure.       Great for building an international profile and portfolio. 🔗 https://devpost.com/hackathons 4. HackerEarth → Tech-heavy & company-driven hackathons.       You’ll find a lot of corporate-sponsored and problem-solving focused events here. 🔗 https://www.hackerearth.com/challenges/hackathon/ 5. HackerRank → Skill-based & hiring hackathons (less college-focused now).       More useful if you’re aiming for placements along with hackathons. 🔗 https://www.ha...

🌐100 UNIQUE ESP32 / NodeMCU MiniProject Ideas , IOT Projects 🌐 Core IoT & Smart Systems (1–20) IoT Home Automation System Smart Energy Meter with Cloud Dashboard Smart Power Consumption Monitor IoT Weather Monitoring Station Smart Street Light with Fault Detection Smart Water Tank Level Monitoring IoT Gas Leakage Detection System Smart Electricity Theft Detection Smart Solar Panel Monitoring System IoT Digital Notice Board Smart Asset Tracking System Smart Warehouse Inventory Monitor Smart Queue Management System Smart Office Automation System Smart Data Logger with Cloud Storage IoT-Based Device Health Monitoring Smart Elevator Status Monitoring Smart Cold Storage Monitoring Smart Power Factor Monitoring System Smart Smart-City Mini Model 🏠 Home Automation & Security (21–38) Smart Door Lock (RFID / App) ESP32 Face Recognition Door Lock Smart Intrusion Detection System Smart Fire & Smoke Detection System Smart LPG Auto Cut-Off System Smart Curtain / Blind Automation Smar...

🔌 100 ELECTRONICS MINI PROJECTS 1. Automatic Night Lamp using LDR Turns ON a lamp automatically when ambient light falls below a set level. Main components: LDR, BC547, Relay 2. Clap Switch Circuit Controls an appliance using sound pulses detected by a microphone. Main components: Condenser Mic, BC547, 555 Timer 3. Touch-Based Switch Activates a load when a human touch is detected due to body capacitance. Main components: BC547, High-value resistors 4. Temperature Controlled Fan Fan speed changes based on surrounding temperature. Main components: Thermistor, LM358, BC547 5. Fire Alarm Circuit Detects abnormal heat and triggers an alarm buzzer. Main components: Thermistor, 555 Timer 6. Water Level Indicator Indicates different water levels in a tank using LEDs. Main components: BC547, LEDs, Resistors 7. Water Level Controller Automatically turns ON/OFF motor based on tank level. Main components: BC547, Relay 8. Emergency Light Circuit Provides automatic lighting during power fai...